Your information and settings will only be deleted from your local computer. If you synced your devices, most of your profile data will be saved on the Yandex server. After you reinstall the browser and sync it with the server, your data and settings will be restored. If you don't want your data to be restored, delete it from the server.

Close all Yandex.Browser windows.

Click Go → Applications or press Shift + ⌘ + A.

Drag the Yandex icon to the Recycle Bin.

Go to the Trash Can and click Empty.

Reinstall

Note. You do not need to reinstall your browser in order to update it; it updates automatically.

In the dialog box that opens, click Delete, but do not select the Delete browser settings, browser history, and other data? option.

Click Delete browser.

Install the browser again.

Without saving profile data

Close all browser windows.

Open the Control panel.

Go to Programs → Programs and Features → Uninstall a program.

In the Uninstall or change program window, select the Yandex program.

Click the Uninstall button at the top of the list.

Click Reinstall in the dialog box that opens.

Click Reinstall the browser.

All your profile data will be deleted from your computer during the reinstallation process. However, if you synced your devices, most of your profile data will be saved on the Yandex server. This data will be restored after syncing. If you don't want your data to be restored, delete it from the server.